12687519

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3221}}^1$

素因数の和:3338

約数の個数: 16

約数和(自身を含む): 18404064

約数和(自身を除く): 5716545

約数列:

[1, 3, 13, 39, 101, 303, 1313, 3221, 3939, 9663, 41873, 125619, 325321, 975963, 4229173, 12687519]

約数ペア:

[(1, 12687519), (3, 4229173), (13, 975963), (39, 325321), (101, 125619), (303, 41873), (1313, 9663), (3221, 3939)]